TCAN1042HGVDRQ1 SOP8 Electronic Components Distribution

1.

PHY ke naleli e ntseng e phahama lits'ebetsong tsa koloi (joalo ka T-BOX) bakeng sa phetiso ea mats'oao a lebelo le holimo, athe CAN e ntse e le setho sa bohlokoa bakeng sa phetiso ea mats'oao a lebelo le tlase.T-BOX ea bokamoso e tla hloka ho bonts'a ID ea koloi, tšebeliso ea mafura, mileage, trajectory, boemo ba koloi (mabone a mamati le lifensetere, oli, metsi le motlakase, lebelo le sa sebetseng, joalo-joalo), lebelo, sebaka, litšobotsi tsa koloi. , tlhophiso ea likoloi, joalo-joalo ho marang-rang a koloi le marang-rang a likoloi tsa mohala, 'me phetisetso ena ea data e batlang e le tlase e itšetlehile ka sebapali se ka sehloohong sa sehlooho sena, CAN.

Bese ea CAN e ile ea hlahisoa ke Bosch Jeremane lilemong tsa bo-1980 'me esale e fetoha karolo ea bohlokoa le ea bohlokoa ea koloi.Ho fihlela litlhoko tse fapaneng tsa litsamaiso tsa koloi, bese ea CAN e arotsoe ka CAN ea lebelo le phahameng le CAN ea lebelo le tlase.high-speed CAN e sebelisoa haholo-holo bakeng sa taolo ea lisebelisoa tsa motlakase tse hlokang ts'ebetso e phahameng ea nako ea sebele, e kang lienjini, li-transmissions tsa othomathike, le lihlopha tsa lisebelisoa.CAN ea lebelo le tlaase e sebelisoa haholo-holo bakeng sa ho laola mekhoa ea matšeliso le mekhoa ea 'mele e hlokang ts'ebetso e fokolang ea nako ea sebele, e kang ho laola moea, ho lokisa setulo, ho phahamisa lifensetere, joalo-joalo.Sehloohong sena, re tla tsepamisa maikutlo ho CAN ea lebelo le holimo.

Leha CAN e le theknoloji e holileng haholo, e ntse e tobana le mathata lits'ebetsong tsa likoloi.Pampiring ena, re tla sheba tse ling tsa liqholotso tseo CAN e tobaneng le tsona mme re tsebise mahlale a amehang ho li rarolla.Qetellong, melemo ea lits'ebetso tsa TI's CAN le lihlahisoa tsa eona tse "hardcore" li tla hlalosoa ka botlalo.

2.

Phephetso e le 'ngoe: Ho ntlafatsa ts'ebetso ea EMI

Ha boima ba lisebelisoa tsa elektroniki likoloing bo ntse bo eketseha selemo se seng le se seng, khokahano ea motlakase (EMC) ea marang-rang a koloing e ntse e batloa le ho feta, hobane ha likarolo tsohle li kopantsoe tsamaisong e le 'ngoe, ho bohlokoa ho netefatsa hore li-subsystems li sebetsa kamoo ho lebelletsoeng. , esita leha ho lebeletsoe libaka tse lerata.E 'ngoe ea liqholotso tse kholo tseo CAN e tobaneng le tsona ke ho feta ha mesi e hlahisoang ke lerata le tloaelehileng.

Ka nepo, CAN e sebelisa phetiso ea lihokelo tse fapaneng ho thibela khokahano ea lerata e kantle.Leha ho le joalo, ts'ebetsong, li-transceivers tsa CAN ha li ntle ebile esita le asymmetry e nyenyane haholo pakeng tsa CANH le CANL e ka hlahisa pontšo e lumellanang le phapang, e leng se etsang hore karolo e tloaelehileng ea mokhoa oa CAN (ke hore, karolelano ea CANH le CANL) e khaotse ho ba kamehla. DC karolo mme e be lerata le itšetlehileng ka data.Ho na le mefuta e 'meli ea ho se leka-lekane e fellang ka lerata lena: lerata le tlaase le bakoang ke ho se lumellane pakeng tsa boemo bo tsitsitseng ba boemo ba boemo bo tloaelehileng linaheng tse laolang le tse fokolang, tse nang le mefuta e mengata ea maqhubu a lerata 'me e hlaha e le letoto la ho tšoana. mela e arohaneng ea spectral;le lerata le phahameng haholo le bakoang ke phapang ea nako pakeng tsa phetoho e teng lipakeng tsa CANH le CANL tse matla, tse nang le likhahla tse khutšoane le litšitiso tse hlahisoang ke ho tlola holimo.Setšoantšo sa 1 se ka tlase se bonts'a mohlala oa tlhahiso e tloaelehileng ea transceiver ea CAN lerata le tloaelehileng.Mnyama (channel 1) ke CANH, pherese (channel 2) ke CANL 'me botala bo bontša kakaretso ea CANH le CANL, eo boleng ba eona bo lekanang le makhetlo a mabeli a motlakase oa mokhoa o tloaelehileng ka nako e itseng.